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Revista Ceres

Print version ISSN 0034-737X

Abstract

LOPES, José Francisco et al. Foliar fertilization with nickel and molybdenum in common bean cv. 'Ouro Vermelho'. Rev. Ceres [online]. 2014, vol.61, n.2, pp.234-240. ISSN 0034-737X.  https://doi.org/10.1590/S0034-737X2014000200011.

The objective of this work was to assess the effect of foliar application with nickel (Ni) and molybdenum (Mo) on components of yield, growth and mineral composition of common bean cv. 'Ouro Vermelho'. The experiment was arranged in a randomized block design with four replications in a 5 x 2factorial scheme consisted of rates of Ni (0, 15, 30, 45 and 60 g ha-1), and Mo (0 and 80 g ha-1) applied in the leaves 25 days after seeding. The elements were applied in the form of Ni chloride hexahydrate and ammonium molybdate. The foliar application of Ni did not change the foliar contents of N, P, K, Fe, Mo and Ni, but increased the content of N, Ni and the crude protein in the seed. The application of Mo decreased the foliar contents of P, Fe and Ni, but increased the foliar content of Mo and the content of N, Mo and crude protein in the seed. It was found that the foliar application of Ni and Mo did not affect the seed weight, the number of beans per pod, the number of pod per plant and the dry weight of the root system. The application of Mo increased in 21.62% the number of nodules.

Keywords : Phaseolus vulgaris L; chloride of nickel hexahydrate; ammonium molybdate; micronutrients.

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